anti vs polar opposite

anti

noun
  • A person opposed to a concept or principle. 

  • A fan who objects to a particular creator, franchise, fandom, character, ship, etc., especially on moral or sociopolitical grounds. 

adj
  • That has a torsion angle between 90° and 180° 

  • Opposed to something. 

polar opposite

noun
  • The complete opposite, opposite in every way. 

How often have the words anti and polar opposite occurred in a corpus of books? (source: Google Ngram Viewer )